diff --git a/packages/whois/package.json b/packages/whois/package.json
index d4e439acb..f0233ca2a 100644
--- a/packages/whois/package.json
+++ b/packages/whois/package.json
@@ -34,7 +34,7 @@
     "jest": "^29.7.0",
     "jest-environment-jsdom": "^29.7.0",
     "luxon": "^2.5.2",
-    "postcss": "^8.5.15",
+    "postcss": "^8.5.23",
     "postcss-url": "^10.1.4",
     "prop-types": "^15.8.1",
     "react": "18.2.0",